Would like to serve content over http/2. Can anyone either provide instructions or link to instructions? Thank you.
cPanel has HTTP2 on cPanel version V66;
HTTP2 is not compatible with Apache MPM_PREFORK and DSO+Mod_RUID2.
You will have to utilize MPM_WORKER and SuPHP for HTTP2.
It will not be enabled by default due to these customized configurations. cPanel utilizes MPM_PREFORK by default, so HTTP2 will not be an default option.
Correct me if I'm wrong, so what you are saying is with cPanel version V64, HTTP2 is only available by installing a mod. But with V66, HTTP2 feature is already built-in, and you just need to turn it on manually.
So if the VPS server by default uses Apache MPM_PREFORK and DSO+Mod_RUID2, will it cause site downtime if your support technicians will customize the server to use MPM_WORKER and SuPHP ?
I noticed today too that v66 is now stable. Now I have questions below:
1. You said that MPM_PREFORK and DSO+Mod_RUID2 is not compatible with HTTP2. Is there any reason why cPanel refuse to utilize MPM_WORKER and SuPHP as default ?
I'm wondering because cPanel is the most prevalent control panel in the world. If they will not change the default, HTTP/2 adaptation will be very slow.
2. There's this one hosting company who wrote an article blog a few days ago on how to enable HTTP2 on WHM with EA4 . The article mentioned to install php 7.x and set PHP 7 as default PHP version for all the websites. Well, I have a script that still uses PHP 5.6, does it mean that HTTP/2 does not work on PHP 5, and therefore my PHP5-only compatible scripts will go awry if I enable HTTP/2 on my vps server?
Long story short, if you want HTTP/2 the absolute best way to get it right now without sacrificing efficiency is to purchase Litespeed.